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Lecture 18 - Energy Resources part 4

Lecture 18 - Energy Resources part 4 - • Coal containing...

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Unformatted text preview: • Coal containing a large amount of methane • Methane reserves in WY coal would be sufficient for U.S. natural gas use for 5 years • Most coal-bed methane shallow and more economical to drill • Concerns over extraction processing and transportation • Environmental problems associated with production Coal-Bed Methane • Potential good source of natural gas • 15% methane (CH 4 ), 85% water, frozen • Immense carbon reservoir – Twice as large as all known fossil fuels • As greenhouse gas, methane is 10 times more effective than CO 2 • Occurs in sediments on sea floor – depths greater than 2000 feet in polar sediments • Complicated processes for exploration and production due to highly pressurized conditions Methane Hydrate Methane Hydrate Global Carbon Budget Methane Hydrate Oil Shale • Essentially immature source rock • Green River Formation • U.S. resource is 2 trillion barrels of oil • World-wide reserves of oil are 1 trillion barrels Tar Sand • Bitumen in sand (natural asphalt) • 350 billion barrels of recoverable oil in world • Canada has 1.3 trillion barrels as a resourceCanada has 1....
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Lecture 18 - Energy Resources part 4 - • Coal containing...

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